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SI88442BD-AS is listed in the Isolators - Gate Drivers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is LINEAR IC. Review the specifications below when checking this part for your BOM.
The SI88442BD-AS is a Skyworks Solutions digital isolator featuring four unidirectional channels in a 20-SOIC package. It supports data rates up to 100 Mb/s with a propagation delay of 18 ns and pulse width distortion of 4.5 ns. The device provides 5000 Vrms isolation voltage and operates on a supply voltage between 3 V and 5.5 V. Typical rise and fall times are 2.5 ns, with a working power current of 10.8 mA. It functions within an operating temperature range of -40°C to +125°C.
Verify the specific suffix AS against official Skyworks documentation to confirm availability and exact specifications. Check RoHS compliance status and moisture sensitivity level before integration. Ensure the 20-SOIC footprint matches your PCB design requirements. Confirm that the integrated DC-DC converter meets your system's power budget and isolation voltage needs.
Select this component when four-channel unidirectional isolation with integrated power conversion is required. The 100 Mb/s data rate suits moderate-speed industrial communication. Verify that the 5000 Vrms isolation rating aligns with safety standards. Consider the 20-SOIC package size for space-constrained designs. Ensure thermal management supports the specified operating temperature range.
This part belongs to the Si8844x series of quad digital isolators from Skyworks Solutions. These devices combine high-speed isolation with integrated DC-DC converters. The series targets applications demanding robust signal integrity and compact form factors. The SI88442 variant specifically offers four unidirectional channels.
Public confirmed substitute part numbers: SI88441BD-ISR.
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